Question

which life process gives us food and oxygen?​

Answer 1

Photosynthesis

Photosynthesis is the only process that utilizes energy from sun to produce food for millions of organisms. This is only process which adds oxygen to the atmosphere. This photosynthesis is the basic life process for the sustenance of organisms in general and man in particular.

Answer 2

Answer:

Photosynthesis is the only process that utilizes energy from sun to produce food for millions of organisms. This is only process which adds oxygen to the atmosphere. This photosynthesis is the basic life process for the sustenance of organisms in general and man in particular.